Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,747,753	$ 2,481,269
Restricted cash	156,686	118,633
Available-for-sale securities, at fair value (amortized cost $845,509 and allowance for credit losses of $0 at September 30, 2022 and amortized cost $1,242,933 and allowance for credit losses of $0 at December 31, 2021)	819,440	1,240,265
Equity securities	130,121	147,995
Accounts receivable	95,472	92,675
Inventory	516,280	269,163
Contract assets	50,394	38,637
Prepaid expenses and other current assets	135,506	59,888
Total current assets	3,651,652	4,448,525
Restricted cash	650,651	532,292
Property, plant, and equipment, net	607,268	255,623
Right of use assets related to finance leases, net	49,603	32,494
Right of use assets related to operating leases, net	311,878	212,537
Equipment related to power purchase agreements and fuel delivered to customers, net	88,490	72,902
Contract assets	20,485	120
Goodwill	230,719	220,436
Intangible assets, net	195,647	158,208
Investments in non-consolidated entities and non-marketable equity securities	41,162	12,892
Other assets	11,249	4,047
Total assets	5,858,804	5,950,076
Current liabilities:
Accounts payable	199,865	92,307
Accrued expenses	157,479	79,237
Deferred revenue and other contract liabilities	108,026	116,377
Operating lease liabilities	43,363	30,822
Finance lease liabilities	7,216	4,718
Finance obligations	53,236	42,040
Current portion of long-term debt	937	15,252
Contingent consideration, loss accrual for service contracts, and other current liabilities	29,269	39,800
Total current liabilities	599,391	420,553
Deferred revenue and other contract liabilities	81,119	66,713
Operating lease liabilities	245,715	175,635
Finance lease liabilities	35,864	24,611
Finance obligations	250,358	211,644
Convertible senior notes, net	193,592	192,633
Long-term debt	65,325	112,794
Contingent consideration, loss accrual for service contracts, and other liabilities	163,864	139,797
Total liabilities	1,635,228	1,344,380
Stockholders' equity:
Common stock, $0.01 par value per share; 1,500,000,000 shares authorized; Issued (including shares in treasury): 598,777,468 at September 30, 2022 and 594,729,610 at December 31, 2021	5,988	5,947
Additional paid-in capital	7,245,396	7,070,710
Accumulated other comprehensive loss	(35,025)	(1,532)
Accumulated deficit	(2,897,446)	(2,396,903)
Less common stock in treasury: 18,015,881 at September 30, 2022 and 17,074,710 at December 31, 2021	(95,337)	(72,526)
Total stockholders' equity	4,223,576	4,605,696
Total liabilities and stockholders' equity	$ 5,858,804	$ 5,950,076